self: { config, lib, pkgs, ... }: let cfg = config.wayland.windowManager.hyprland; defaultHyprlandPackage = self.packages.${pkgs.system}.default.override { enableXWayland = cfg.xwayland.enable; hidpiXWayland = cfg.xwayland.hidpi; }; in { options.wayland.windowManager.hyprland = { enable = lib.mkEnableOption "hyprland wayland compositor"; package = lib.mkOption { type = with lib.types; nullOr package; default = defaultHyprlandPackage; description = '' Hyprland package to use. Will override the 'xwayland' option. Defaults to the one provided by the flake. Set it to pkgs.hyprland to use the one provided by nixpkgs or if you have an overlay. Set to null to not add any Hyprland package to your path. This should be done if you want to use the NixOS module to install Hyprland. ''; }; systemdIntegration = lib.mkOption { type = lib.types.bool; default = pkgs.stdenv.isLinux; description = '' Whether to enable hyprland-session.target on hyprland startup. This links to graphical-session.target. Some important environment variables will be imported to systemd and dbus user environment before reaching the target, including DISPLAY WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE XDG_CURRENT_DESKTOP ''; }; xwayland = { enable = lib.mkOption { type = lib.types.bool; default = true; description = '' Enable XWayland. ''; }; hidpi = lib.mkOption { type = lib.types.bool; default = true; description = '' Enable HiDPI XWayland. ''; }; }; extraConfig = lib.mkOption { type = lib.types.lines; default = ""; description = '' Extra configuration lines to add to ~/.config/hypr/hyprland.conf. ''; }; recommendedEnvironment = lib.mkOption { type = lib.types.bool; default = true; defaultText = lib.literalExpression "true"; example = lib.literalExpression "false"; description = '' Whether to set the recommended environment variables. ''; }; imports = [ ( lib.mkRenamedOptionModule ["wayland" "windowManager" "hyprland" "xwayland"] ["wayland" "windowManager" "hyprland" "xwayland" "enable"] ) ]; }; config = lib.mkIf cfg.enable { home.packages = lib.optional (cfg.package != null) cfg.package ++ lib.optional cfg.xwayland.enable pkgs.xwayland; home.sessionVariables = lib.mkIf cfg.recommendedEnvironment { GDK_BACKEND = "wayland"; _JAVA_AWT_WM_NONREPARENTING = "1"; NIXOS_OZONE_WL = "1"; XCURSOR_SIZE = toString config.home.pointerCursor.size or "24"; XDG_SESSION_TYPE = "wayland"; }; xdg.configFile."hypr/hyprland.conf" = { text = (lib.optionalString cfg.systemdIntegration '' exec-once=${pkgs.dbus}/bin/dbus-update-activation-environment --systemd DISPLAY WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE XDG_CURRENT_DESKTOP exec-once=systemctl --user start hyprland-session.target '') + cfg.extraConfig; onChange = let hyprlandPackage = if cfg.package == null then defaultHyprlandPackage else cfg.package; in "HYPRLAND_INSTANCE_SIGNATURE=$(ls -w 1 /tmp/hypr | tail -1) ${hyprlandPackage}/bin/hyprctl reload config-only"; }; systemd.user.targets.hyprland-session = lib.mkIf cfg.systemdIntegration { Unit = { Description = "hyprland compositor session"; Documentation = ["man:systemd.special(7)"]; BindsTo = ["graphical-session.target"]; Wants = ["graphical-session-pre.target"]; After = ["graphical-session-pre.target"]; }; }; systemd.user.targets.tray = { Unit = { Description = "Home Manager System Tray"; Requires = ["graphical-session-pre.target"]; }; }; }; }